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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 1 |
| 1968 | 3 |
| 1969 | 2 |
| 1970 | 1 |
| 1972 | 1 |
| 1973 | 2 |
| 1974 | 6 |
| 1975 | 8 |
| 1976 | 23 |
| 1977 | 9 |
| 1978 | 36 |
| 1979 | 90 |
| 1980 | 1110 |
| 1981 | 2440 |
| 1982 | 2466 |
| 1983 | 2553 |
| 1984 | 2712 |
| 1985 | 2839 |
| 1986 | 2863 |
| 1987 | 3031 |
| 1988 | 3272 |
| 1989 | 3294 |
| 1990 | 3420 |
| 1991 | 3374 |
| 1992 | 3241 |
| 1993 | 3242 |
| 1994 | 3335 |
| 1995 | 3298 |
| 1996 | 3368 |
| 1997 | 3252 |
| 1998 | 3338 |
| 1999 | 3475 |
| 2000 | 3421 |
| 2001 | 3430 |
| 2002 | 3515 |
| 2003 | 3963 |
| 2004 | 4376 |
| 2005 | 4756 |
| 2006 | 5255 |
| 2007 | 5603 |
| 2008 | 6294 |
| 2009 | 6772 |
| 2010 | 7297 |
| 2011 | 7775 |
| 2012 | 8110 |
| 2013 | 8370 |
| 2014 | 8111 |
| 2015 | 8141 |
| 2016 | 7726 |
| 2017 | 7580 |
| 2018 | 7750 |
| 2019 | 7826 |
| 2020 | 8366 |
| 2021 | 8744 |
| 2022 | 7936 |
| 2023 | 8529 |
| 2024 | 7858 |
| 2025 | 3039 |